SMS1242S データシートの表示（PDF） - Summit Microelectronics

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SMS1242S

2.5V, 3V, 3.3V & 5V Dual Voltage, Dual Reset Microprocessor Supervisory Circuits

Summit Microelectronics 

SMS1242

ABSOLUTE MAXIMUM RATINGS*

Temperature Under Bias

–55°C to 125°C

Storage Temperature

–65°C to 150°C

Terminal Voltage (With Respect to Ground)–0.3V to 6V

Lead Solder Temperature (10 secs)

300°C

*COMMENT

Stresses above those listed under Absolute Maximum Ratings

may cause permanent damage to the device. These are stress

ratings only, and functional operation of the device at these or

any other conditions outside those listed in the operation sec-

tions of this specification is not implied. Exposure to any abso-

lute maximum rating for extended periods may affect device

performance and reliability.

Symbol

Parameter

VCC Operating supply voltage

ICC Supply current

VRST Reset threshold

VHYST

tRST

VRST Hysterisis

Reset pulse width

VOL RESET1# output low voltage

IMR MR# pullup current

tMR MR# pulse width

VIL MR# input threshold

VIH MR# input threshold

VSNS VSENSE input threshold

VCC RESET2# output low voltage

Conditions

3.6V < VCC < 5.5V

3.6V > VCC

Memory access (SMS1243 only)

Device option A

Device option B

Device option C

Device option D

Device option E

Device option F

ISINK = 1.2mA, VCC = VRST min.

ISINK = 200µA, VCC = 1.2V

VCC = VRST min., VSENSE falling

ISINK = 1.2mA, VCC = VRST min.

ISINK = 200µA, VCC = 1.2V

Min. Typ. Max. Units

1

5.5 V

25 50 µA

25 50 µA

3

mA

4.375 4.425 4.475 V

4.625 4.675 4.725 V

4.425 4.475 4.525 V

2.425 2.450 2.475 V

2.625 2.650 2.675 V

2.925 2.950 2.975 V

50

mV

100 150 200 ms

0.3 V

0.3 V

100

µA

50

ns

0.6 V

0.7 × VCC

V

1.20 1.25 1.30 V

0.3 V

0.4 V

2038 Elect Table 2.0

SUMMIT MICROELECTRONICS, Inc.

2038 2.0 6/8/00

2

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